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DirectoryConstruction & ArchitectureArchitecture FirmsLenzburgpolygon architektur und design fabian würmli
polygon architektur und design fabian würmli Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Polygon Architektur und Design is the planning, development and realization of architectural projects, particularly in the field of residential buildings, settlements and public buildings. This includes design, planning and construction management services as well as the implementation of feasibility studies, potential analyses and project developments.

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Offering

Products & services

Industry:Architecture Firms
✓ Offered9
Architecture services for new builds and conversions
Design, construction project, execution and site management for single-family homes, multi-family homes, conversions and replacement new builds.
Potential analysis and feasibility studies
Potential analysis, site studies, usage concepts and feasibility assessments for sites, plots and existing buildings.
Building submissions and building permit documents
Support, plan preparation and building submission documents for building applications, including legal building-law clarifications and permit planning.
Energy-efficient renovations
Energy-efficient renovation of buildings, including measures related to energy efficiency and the building envelope.
Solar energy and photovoltaic system design
Design of solar energy and photovoltaic solutions as part of conversion and renovation projects.
Kitchen and bathroom renovations
Renewal of kitchens and bathrooms in existing buildings, as part of conversion and renovation projects.
Garden design
Garden design in collaboration with Noa Landschaftsarchitektur.
Furniture design and production
Design and production of furniture for projects in indoor and outdoor areas.
Mould assessment reports
Mould assessment reports for existing buildings and renovation cases.
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3.6/5

polygon architektur und design fabian würmli

Trust & reputation

ranQ Trust Score of polygon architektur und design fabian würmli: 3.6 out of 5.0

Trust Score3.6/ 5.0

Solid

x

Data basis 96% · As of October 2026

polygon architektur und design fabian würmli scores 49.8 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.68.224%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.17.610%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.35.08%
polygon architektur und design fabian würmli scores 69.6 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.79.212%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.55.07%
polygon architektur und design fabian würmli scores 83.3 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).83.322%
polygon architektur und design fabian würmli scores 0.9 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.0.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

polygon architektur und design fabian würmli reaches a ranQ Trust Score of 3.6 out of 5.0 — rated «Solid». The rating draws, among other things, on 5.0 out of 5 stars from 1 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

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Location

Fliederweg 9
5600 Lenzburg

At a glance

Legal form
Sole proprietorship
UID
CHE-289.860.821
Founded
2018 · 8 years
Last commercial register change
April 30, 2018
Employees
1 to 10
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.67.06%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

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